1 cup (medium) of McDonald's Plain Sundae (150 g) has 198 calories. That works out to 132 calories per 100 g. It contains 33.2 g of carbs, 5.1 g of protein, 5.3 g of fat and 0.2 g of fiber. Its 0.6 µg of B12 covers 26% of the Daily Value. Its glycemic index is 61 (medium), so it raises blood sugar at a moderate pace.

McDonald's Plain Sundae Nutrition Facts

Selected: 100 g

132

KCAL / 100G

Carbs

22.1g

· 8% DV

Protein

3.4g

· 7% DV

Fat

3.5g

· 4% DV

Fiber

0.1g

· 0% DV

DV is the share of the daily value covered, on a 2,000 kcal reference diet.

Calories come from: Carbs 66% · Protein 10% · Fat 24%

McDonald's Plain Sundae Vitamins & Minerals

Vitamins

B12

0.42µg · 18% DV

0.19mg · 15% DV

0.35mg · 7% DV

Biotin

1.4µg · 5% DV

Minerals

Phosphorus

98mg · 14% DV

Iodine

20µg · 13% DV

Calcium

119mg · 12% DV

Selenium

2.6µg · 5% DV

How Nutritious Is McDonald's Plain Sundae?

Nutrient density

Low

28/ 100

How many vitamins, minerals and how much fiber this food carries per calorie. A high score means a lot of nutrition for few calories.

Satiety score

Low

32/ 100

An EatBetter score computed from fiber, protein and calorie density. A high score means staying full longer on the same calories.

Both scores are calculated per 100 g and do not change with the selected portion. The satiety score is EatBetter's own calculation, not a clinical measure.

McDonald's Plain Sundae Glycemic Index

GLYCEMIC INDEX

Medium

0 Low5570100

GLYCEMIC LOAD

Medium

Accounts for portion size — a more realistic measure than GI alone.

How to Burn Off McDonald's Plain Sundae

To burn the 132 calories in 100 g:

🚶

33min

Walking (5 km/h)

🏃

13min

Running (8 km/h)

🚴

18min

Cycling

🏊

15min

Swimming

Times are calculated with the MET equation for a 70 kg adult. Actual burn varies with your weight, age and pace.

Is McDonald's Plain Sundae Processed?

NOVA 4

Ultra-Processed

1. Unprocessed

2. Minimally Processed

3. Processed

4. Ultra-Processed

NOVA classifies foods into 4 groups by industrial processing. NOVA 1 (unprocessed) is the healthiest.

Does McDonald's Plain Sundae Contain Allergens?

Contains these allergens:

Gluten free

Dairy yes

Eggs free

Peanuts free

Tree nuts free

Fish free

Soy free

Sesame free

Which Diets Is McDonald's Plain Sundae Good For?

Vegan

— Not suitable

Vegetarian

✓ Suitable

Gluten-Free

✓ Suitable

Dairy-Free

— Not suitable

Mediterranean

— Not suitable

Paleo

— Not suitable

Whole30

— Not suitable

DASH

— Not suitable

Keto

— Not suitable

Low FODMAP

— Not suitable

McDonald's Plain Sundae Fat Profile

SATURATED

2.2g

MONOUNSATURATED

0.9g

POLYUNSATURATED

0.13g

⚖️

Omega 6:3 ratio 3.3:1

Below the ideal 4:1 — a good omega balance.

Compare McDonald's Plain Sundae

🍨vs🍯

McDonald's Plain Sundae vs Caramel sauce188 kcal fewer per 100 g

→🍨vs🍫

McDonald's Plain Sundae vs Dark chocolate408 kcal fewer per 100 g

→🍨vs🍮

McDonald's Plain Sundae vs Höşmerim188 kcal fewer per 100 g

→🍨vs🍫

McDonald's Plain Sundae vs Chocolate sauce78 kcal fewer per 100 g

→

Foods Similar to McDonald's Plain Sundae

🍯

Caramel sauce

320 kcal

🍫

Dark chocolate

540 kcal

🍮

Höşmerim

320 kcal

🍫

Chocolate sauce

210 kcal

🍬

Fruit Leather

320 kcal

🍬

Pistachio Turkish Delight

370 kcal

🍮

Kazandibi

145 kcal

🍫

Milk Chocolate

535 kcal

Frequently Asked Questions About McDonald's Plain Sundae

Is McDonald's Plain Sundae better before or after a workout?

It is usually more practical as an occasional post-workout treat than a pre-workout choice, because cold dairy desserts can feel heavy for some people before exercise. It should not replace a balanced meal or recovery snack on its own.

Should you eat a Plain Sundae on its own or pair it with something?

On its own, it is mainly a sweet dessert and may not keep you full for long. Pairing it with a protein-rich or higher-fibre food can make the snack feel more balanced and satisfying.

Why might a McDonald's Plain Sundae not feel very filling?

Its soft texture and very low fibre content can make it easy to eat quickly. Foods like that often provide less lasting fullness than more solid, fibre-rich options.

Is it okay to eat a Plain Sundae late at night?

For most people, having one occasionally at night is fine. The main issue is habit: late-night sweet foods can make mindless snacking easier if it becomes routine.

How is a Plain Sundae different from a milkshake?

A sundae is eaten with a spoon and usually feels thicker, while a milkshake is drinkable and often consumed faster. Drinkable sweets can sometimes be easier to overconsume without noticing.

Is McDonald's Plain Sundae a good dessert for children?

It can fit as an occasional treat, but it is best not to make sweet desserts an everyday habit. Children with a dairy allergy should avoid it.

What happens if you eat a Plain Sundae on an empty stomach?

Some people may feel hungry again fairly soon after a sweet food eaten alone. Having it after a meal or alongside another food may feel steadier than eating it by itself when very hungry.

Can you refreeze a Plain Sundae after it melts?

No, that is not recommended. Refreezing melted dairy desserts can worsen texture and raise food safety concerns.

Is a Plain Sundae really a 'light' dessert just because it has no toppings?

Not necessarily. Even without toppings, it is still a sweet ultra-processed dessert, so 'plain' does not mean unlimited or automatically light.

Who should be more careful with McDonald's Plain Sundae?

Anyone with a dairy allergy should avoid it. People who are sensitive to lactose, prone to blood sugar swings, or trying to cut down on ultra-processed foods may also want to be more cautious.

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Nutrition data compiled from USDA FoodData Central and scientific sources.

· Last updated: September 23, 2026